Rif’an M, Widjanarko M. Development of Managerial Supervision Instruments for Primary School Principals in Jekulo District, Kudus Regency. UJSSH [Internet]. 2024 Jul. 5 [cited 2025 Mar. 14];3(1):161-6. Available from: https://ujssh.com/index.php/ujssh/article/view/127